demo.csv

1503851026421, 220, 1.10
1503851026422, 221, 1.20
1503851026423, 219, 1.09
1503851026424, 222, 1.11
1503851026425, 220, 1.08
'2019-07-22 10:00:01.000', 219, 1.06
'2019-07-22 10:00:02.000', 218, 1.04
'2019-07-22 10:01:02.000', 220, 1.12
'2019-07-22 11:01:02.000', 221, 1.11
'2019-07-23 11:01:02.000', 220, 1.09